Topology Optimization of an Interior Permanent Magnet Synchronous Machine Using a Coupled Finite Elements ! Genetic Algorithms Technique


This paper presents a first topological optimization approach for a sinusoidal interior permanent magnet synchronous machine. A coupled nonlinear 2D FE-GA technique was used. The goal of the optimal design was the synthesis of a maximal sinusoidal back-EMF and simultaneously the minimization of the cogging torque. Two novel rotor topologies for minimal cogging torque and maximal, sinusoidal pole flux were already implemented in series production


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